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Nexus is a simple, RPC proxy server for any Ethereum JSON RPC compliant blockchain. Instead of connecting your dApps to a blockchain node, you can connect them to Nexus and Nexus serves the requests for you. Nexus is open source and free to use.

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Installation

The fastest way to get started with @whatsgood/nexus is to use our CLI. Check out our Quickstart guide to learn more.

npm create @whatsgood/nexus@latest

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Features

Nexus is packed with powerful features that will help you build robust, scalable and secure dApps. Check out some of our features below.

@whatsgood/nexus is currently in pre-alpha. Some features may not work as expected. Please report any issues you encounter at our community Discord or file a GitHub issue.

Authorization

Implement fine-grained access control to your RPC endpoints

Failure Recovery

Recover from errors by cycling requests to multiple providers

Rate Limiting

Setup rate limiting to protect your RPC access from abuse

Event Handlers

Execute custom logic at specific points over the lifespan of your RPC requests

Caching

Cache RPC calls to maximize cost-savings and performance

Middlewares

Add custom code to change rpc responses

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Use Cases